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subatomicdocMar 30, 2011
Good simple overview. For those that want to minimize radiation exposure, be aware that smoking a pack a day is estimated to be about 10-40 mSv each year. That's the same as several CT scans each year.
subatomicdocMar 30, 2011
Good simple overview. For those that want to minimize radiation exposure, be aware that smoking a pack a day is estimated to be about 10-40 mSv each year. That's the same as several CT scans each year.
tonnybenMar 30, 2011
I think it is very helpful , since the japan earthquake
lockanikaMar 30, 2011
quite informative!
smartsaveMar 30, 2011
Fascinating stuff!
Mean_Mister_MustardMar 30, 2011
Radiation: It's all around us.
glacierelementMar 31, 2011
Simplified:
A Geiger counter is pointed towards a radioactive source. The radioactive particles hit the detector and a beep is heard. There is baseline radioactivity everywhere so you will usually hear a beep every once and a while. If you start hearing the beep-beep-beep (multiple beeps per second) then you know that there is a lot of radiation in whatever you are pointing it at. So don't eat that object and go find one with less beeps!
dralezeroMar 31, 2011
http://xkcd.com/radiation/